Flower Power - OSRAM LEDs for Healthy Plant Growth
Sep 21, 2010 A recent pilot project, completed in cooperation with Fionia Lighting A/S and the OSRAM distribution partner Arrow in Denmark, confirmed the enormous energy-saving potential of LEDs in horticultural applications. Fiona Lighting A/S developed a luminaire system specifically for greenhouses which was equipped with a total of approximately 50,000 Golden DRAGON Plus LEDs. Over a cultivated area of several thousand square meters it was possible to reduce power consumption by 40%.
For plants to grow well in greenhouses they need the right temperature and also the right light. Light in the deep red spectrum plays an important role in plant growth because the absorption of chlorophyll in this red range is very high. Both Golden DRAGON Plus and OSLON SSL now provide this deep red light with particularly high efficiency with typical power of 330 mW at an operating current of 400 mA. Their powerful chips are based on OSRAM’s thin-film technology, and with a life of 100,000 hours they offer maintenance-free operation for many years.
Golden DRAGON Plus has a wide beam angle of 170° and can be used with good effect in reflector systems for illuminating large areas under cultivation. OSLON SSL has a smaller footprint and a narrow beam angle of 80° which means they can be arranged close to one another. They can also be equipped with external optics. Their unique characteristics make them ideal for special applications such as “multi-layer cultivation” in which salad plants are grown on stacked levels. In this arrangement it is important for the lighting to be both compact and uniform.
Author: BIO T&T
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